{"product_id":"system-sensor-2d51-low-profile-plug-in-photoelectric-smoke-detector-head-for-4-wire-systems","title":"System Sensor 2D51 Low-Profile Plug-In Photoelectric Smoke Detector Head for 4-Wire Systems","description":"Designed for pendant or plenum mounting in no-flow and low-flow air-handling systems operating from 0 to 4,000 FPM, the 2D51 smoke detector installs in a B210LP base and connects to a D4P120 power board control unit. One D4P120 board can support up to two 2D51 sensors.\u003cbr\u003e\u003cbr\u003eThe twist-in\/twist-out detector head is easy to remove for cleaning and maintenance. A built-in test switch and two standby LEDs support straightforward status checks. Test the head locally with a magnet or the D4P120 board’s Test\/Reset button; remote testing is also supported with compatible RTS accessories connected to the board.\u003cbr\u003e\u003cbr\u003eFeatures include a low-profile design, low standby current, removable cover and insect screen for field cleaning, and SEMS screws for wiring and wire retention. Designed for installation on a standard electrical box. The D4P120 can also connect to compatible remote annunciators for audible and visual detector-status indication.","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":68543595217117,"sku":"Kaybee-2D51","price":214.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9912\/2909\/files\/2D51-1.jpg?v=1794579433","url":"https:\/\/kaybeesecurity.com\/products\/system-sensor-2d51-low-profile-plug-in-photoelectric-smoke-detector-head-for-4-wire-systems","provider":"Kaybee Security","version":"1.0","type":"link"}